Sukdanont, Sumalee, Watchara Pechdin, and Parcharapat Tawinnorppanan. “Spatial Efficiency Enhancement of Thailand–Myanmar’s Cross–border Passes in Chiang Mai Province”. NIDA Development Journal 58, no. 4 (December 31, 2018). accessed December 7, 2025. https://so04.tci-thaijo.org/index.php/NDJ/article/view/170502.